First you must make sure you have the triple screens setup in the nVidia control panel to have one big desktop spanning all 3 screens. Then you go into iRacing and set everything up there. You will have to quit and restart the iRacing sim before you see any graphics changes though.

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First you must make sure you have the triple screens setup in the nVidia control panel to have one big desktop spanning all 3 screens. Then you go into iRacing and set everything up there. You will have to quit and restart the iRacing sim before you see any graphics changes though.